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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-475.603193
Energy at 298.15K 
HF Energy-475.603193
Nuclear repulsion energy107.889095
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3206 3060 4.76 91.45 0.71 0.83
2 A1 3095 2955 19.35 203.77 0.00 0.01
3 A1 1548 1478 2.14 33.71 0.74 0.85
4 A1 1415 1351 0.29 1.68 0.23 0.38
5 A1 1081 1031 23.98 10.88 0.65 0.79
6 A1 651 622 4.12 24.01 0.18 0.30
7 A1 246 235 0.12 3.14 0.67 0.80
8 A2 3196 3051 0.00 9.95 0.75 0.86
9 A2 1532 1463 0.00 47.19 0.75 0.86
10 A2 976 932 0.00 10.55 0.75 0.86
11 A2 164 157 0.00 0.08 0.75 0.86
12 B1 3192 3047 19.94 99.06 0.75 0.86
13 B1 1543 1473 31.46 0.00 0.75 0.86
14 B1 1011 965 13.36 9.00 0.75 0.86
15 B1 166 158 1.19 0.07 0.75 0.86
16 B2 3206 3061 1.15 46.08 0.75 0.86
17 B2 3098 2957 16.38 0.05 0.75 0.86
18 B2 1537 1467 25.22 0.00 0.75 0.86
19 B2 1388 1325 1.10 2.80 0.75 0.86
20 B2 953 910 0.76 2.46 0.75 0.86
21 B2 695 664 1.50 14.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16949.2 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 16179.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/3-21G
ABC
0.54786 0.24030 0.17855

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.692
C2 0.000 1.419 -0.543
C3 0.000 -1.419 -0.543
H4 0.000 2.338 0.043
H5 0.000 -2.338 0.043
H6 0.899 1.371 -1.160
H7 -0.899 1.371 -1.160
H8 -0.899 -1.371 -1.160
H9 0.899 -1.371 -1.160

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.88141.88142.42602.42602.47382.47382.47382.4738
C21.88142.83741.09043.80191.09091.09092.99522.9952
C31.88142.83743.80191.09042.99522.99521.09091.0909
H42.42601.09043.80194.67531.78611.78614.00154.0015
H52.42603.80191.09044.67534.00154.00151.78611.7861
H62.47381.09092.99521.78614.00151.79703.27872.7424
H72.47381.09092.99521.78614.00151.79702.74243.2787
H82.47382.99521.09094.00151.78613.27872.74241.7970
H92.47382.99521.09094.00151.78612.74243.27871.7970

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 106.379 S1 C2 H6 109.789
S1 C2 H7 109.789 S1 C3 H5 106.379
S1 C3 H8 109.789 S1 C3 H9 109.789
C2 S1 C3 97.886 H4 C2 H6 109.941
H4 C2 H7 109.941 H5 C3 H8 109.941
H5 C3 H9 109.941 H6 C2 H7 110.900
H8 C3 H9 110.900
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.248      
2 C -0.877      
3 C -0.877      
4 H 0.259      
5 H 0.259      
6 H 0.247      
7 H 0.247      
8 H 0.247      
9 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.973 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.689 0.000 0.000
y 0.000 -23.861 0.000
z 0.000 0.000 -28.678
Traceless
 xyz
x -2.420 0.000 0.000
y 0.000 4.823 0.000
z 0.000 0.000 -2.403
Polar
3z2-r2-4.805
x2-y2-4.829
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.834 0.000 0.000
y 0.000 6.757 0.000
z 0.000 0.000 5.346


<r2> (average value of r2) Å2
<r2> 79.343
(<r2>)1/2 8.907